當(dāng)a≠0,△=0時(shí),解得a=
1 |
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不等式化為(ax-1)(x-2)<0.
當(dāng)a=
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當(dāng)0<a<
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2 |
1 |
a |
1 |
a |
當(dāng)a=
1 |
2 |
1 |
a |
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a |
綜上可得:當(dāng)a=0時(shí),不等式的解集為{x|x>2}.
當(dāng)a=
1 |
2 |
當(dāng)0<a<
1 |
2 |
1 |
a |
當(dāng)a=
1 |
2 |
1 |
a |
1 |
2 |
1 |
2 |
1 |
2 |
1 |
a |
1 |
a |
1 |
2 |
1 |
a |
1 |
a |
1 |
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1 |
2 |
1 |
a |
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1 |
a |